52556868 has 144 divisors (see below), whose sum is σ = 166822656. Its totient is φ = 13582080.

The previous prime is 52556851. The next prime is 52556887. The reversal of 52556868 is 86865525.

52556868 is a `hidden beast` number, since 5 + 25 + 568 + 68 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199705 + ... + 199967.

Almost surely, 2^52556868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52556868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83411328).

52556868 is an abundant number, since it is smaller than the sum of its proper divisors (114265788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52556868 is a wasteful number, since it uses less digits than its factorization.

52556868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 349 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 52556868 is about 7249.6115758018. The cubic root of 52556868 is about 374.5787696839.

The spelling of 52556868 in words is "fifty-two million, five hundred fifty-six thousand, eight hundred sixty-eight".